Lutetium
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Hexagonal closest packed, hcp, structure
      _database_code_amcsd 0011182

      CELL PARAMETERS:    3.5031   3.5031   5.5509   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     58.993
      Density (g/cm3):      9.849
      MAX. ABS. INTENSITY / VOLUME**2:      727.7709649    
      RIR:     24.061
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.44         23.97        3.0338    1   0   0         6
                32.25         25.01        2.7754    0   0   2         2
                33.67        100.00        2.6621    1   0   1        12
                44.23         14.89        2.0478    1   0   2        12
                52.23         17.30        1.7515    1   1   0         6
                58.42         17.58        1.5797    1   0   3        12
                61.09          2.50        1.5169    2   0   0         6
                62.73         18.19        1.4812    1   1   2        12
                63.59         12.99        1.4632    2   0   1        12
                67.49          2.33        1.3877    0   0   4         2
                70.79          2.94        1.3311    2   0   2        12
                75.31          2.37        1.2620    1   0   4        12
                82.17          5.30        1.1731    2   0   3        12
                86.71          3.00        1.1229    2   1   1        24
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.